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Mercurial .hgignore for Visual Studio 2010 projects

...ut an entry that's already there.. Feel free to edit the list and yes I totally agree, it should be added – Shady M. Najib Apr 14 '11 at 12:07 2 ...
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rails - Devise - Handling - devise_error_messages

...hould help you get started. :) Another update The resource object is actually the model that is being used by devise (go figure). resource.class #=> User resource.errors.class #=> ActiveModel::Error It also appears to be defined in a higher scope (probably coming from the contro...
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework

...associated with the webapp. The spring-servlet.xml (or whatever else you call it) defines the beans for one servlet's app context. There can be many of these in a webapp, one per Spring servlet (e.g. spring1-servlet.xml for servlet spring1, spring2-servlet.xml for servlet spring2). Beans in sprin...
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What are type lambdas in Scala and what are their benefits?

...ction of Either[A, B]. The monad typeclass looks like this: trait Monad[M[_]] { def point[A](a: A): M[A] def bind[A, B](m: M[A])(f: A => M[B]): M[B] } Now, Either is a type constructor of two arguments, but to implement Monad, you need to give it a type constructor of one argument. The sol...
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Unable to find specific subclass of NSManagedObject

...://stackoverflow.com/a/31287260/1187415). Remark: This answer was originally written for Xcode 6. There were some changes in the various Xcode 7 beta releases with respect to this problem. Since it is an accepted answer with many upvotes and links to it, I have tried to summarize the situation fo...
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Argparse: Required arguments listed under “optional arguments”?

... Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
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How to count certain elements in array?

...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant. – Felix Kling May 25 '11 at 8:33 ...
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How to stop flask application without using ctrl-c

...ore at Shutdown The Simple Server): from flask import request def shutdown_server(): func = request.environ.get('werkzeug.server.shutdown') if func is None: raise RuntimeError('Not running with the Werkzeug Server') func() @app.route('/shutdown', methods=['POST']) def shutdown(...
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Python Graph Library [closed]

... I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files. – exhuma Aug 10 '12 at 7:46 ...
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How to export collection to CSV in MongoDB?

How do you export all the records in a MongoDB collection to a .csv file? 11 Answers ...